RadioQuestion:If you took an electrically charged ball and shook it up and down rapidly, charges in a nearby metal object would move in response. How far away d l could that metal object be and still respond?1. 1 meter2. 1 kilometer3. The other side of the universeObservations About Radio Transmit sound long distances without wires Involve antennas Seem to involve electricity and magnetism Reception depends on antenna positioning Reception weakens with distance Two styles of radio: AM and FMElec...

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How Things Work - How Everything Works

How Things Work - How Everything Works

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